第二部分:词汇知识运用（共两节，满分30分）
第一节：多项选择（共10小题;每小题1分，满分10分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21. In order to reduce air pollution, many people want a total__ ___on the playing of firecrackers (鞭炮)in many cities during the Spring Festival.
A.presentation B.promotion C. prohibition D. performance
22. — How did they get to know each other?
—The Chinese skier made the of the Canadian player at 2014 Sochi Winter Olympic Games.
A. acquaintance B. achievement C. decision D. investigation
23. Though in a big city，the college student was more interested in village life.
A. raised B. grown C. developed D. set
24. Bending down，he the footprints that hadn’t been blow away in the wind, concluding that they belonged to a wolf.
